| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "bench/Benchmark.h" |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkFont.h" |
| #include "include/core/SkSurface.h" |
| #include "include/effects/SkImageFilters.h" |
| |
| #define FILTER_WIDTH_SMALL 32 |
| #define FILTER_HEIGHT_SMALL 32 |
| #define FILTER_WIDTH_LARGE 256 |
| #define FILTER_HEIGHT_LARGE 256 |
| |
| class DisplacementBaseBench : public Benchmark { |
| public: |
| DisplacementBaseBench(bool small) : fInitialized(false), fIsSmall(small) { } |
| |
| protected: |
| void onDelayedSetup() override { |
| if (!fInitialized) { |
| this->makeBitmap(); |
| this->makeCheckerboard(); |
| fInitialized = true; |
| } |
| } |
| |
| void makeBitmap() { |
| const int w = this->isSmall() ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE; |
| const int h = this->isSmall() ? FILTER_HEIGHT_SMALL : FILTER_HEIGHT_LARGE; |
| auto surf = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(w, h)); |
| SkPaint paint; |
| paint.setColor(0xFF884422); |
| |
| SkFont font; |
| font.setSize(SkIntToScalar(96)); |
| surf->getCanvas()->drawSimpleText("g", 1, SkTextEncoding::kUTF8, 15, 55, font, paint); |
| fImage = surf->makeImageSnapshot(); |
| } |
| |
| void makeCheckerboard() { |
| const int w = this->isSmall() ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE; |
| const int h = this->isSmall() ? FILTER_HEIGHT_SMALL : FILTER_HEIGHT_LARGE; |
| auto surface(SkSurfaces::Raster(SkImageInfo::MakeN32Premul(w, h))); |
| SkCanvas* canvas = surface->getCanvas(); |
| canvas->clear(0x00000000); |
| SkPaint darkPaint; |
| darkPaint.setColor(0xFF804020); |
| SkPaint lightPaint; |
| lightPaint.setColor(0xFF244484); |
| for (int y = 0; y < h; y += 16) { |
| for (int x = 0; x < w; x += 16) { |
| canvas->save(); |
| canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
| canvas->drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); |
| canvas->drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); |
| canvas->drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); |
| canvas->drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); |
| canvas->restore(); |
| } |
| } |
| |
| fCheckerboard = surface->makeImageSnapshot(); |
| } |
| |
| void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint) { |
| canvas->save(); |
| canvas->clipIRect(fImage->bounds().makeOffset(x, y)); |
| canvas->drawImage(fImage, SkIntToScalar(x), SkIntToScalar(y), SkSamplingOptions(), &paint); |
| canvas->restore(); |
| } |
| |
| inline bool isSmall() const { return fIsSmall; } |
| |
| sk_sp<SkImage> fImage, fCheckerboard; |
| |
| private: |
| bool fInitialized; |
| bool fIsSmall; |
| using INHERITED = Benchmark; |
| }; |
| |
| class DisplacementZeroBench : public DisplacementBaseBench { |
| public: |
| DisplacementZeroBench(bool small) : INHERITED(small) { } |
| |
| protected: |
| const char* onGetName() override { |
| return this->isSmall() ? "displacement_zero_small" : "displacement_zero_large"; |
| } |
| |
| void onDraw(int loops, SkCanvas* canvas) override { |
| SkPaint paint; |
| sk_sp<SkImageFilter> displ(SkImageFilters::Image(fCheckerboard)); |
| // No displacement effect |
| paint.setImageFilter(SkImageFilters::DisplacementMap(SkColorChannel::kR, SkColorChannel::kG, |
| 0.0f, std::move(displ), nullptr)); |
| |
| for (int i = 0; i < loops; i++) { |
| this->drawClippedBitmap(canvas, 0, 0, paint); |
| } |
| } |
| |
| private: |
| using INHERITED = DisplacementBaseBench; |
| }; |
| |
| class DisplacementAlphaBench : public DisplacementBaseBench { |
| public: |
| DisplacementAlphaBench(bool small) : INHERITED(small) { } |
| |
| protected: |
| const char* onGetName() override { |
| return isSmall() ? "displacement_alpha_small" : "displacement_alpha_large"; |
| } |
| |
| void onDraw(int loops, SkCanvas* canvas) override { |
| SkPaint paint; |
| sk_sp<SkImageFilter> displ(SkImageFilters::Image(fCheckerboard)); |
| // Displacement, with 1 alpha component (which isn't pre-multiplied) |
| paint.setImageFilter(SkImageFilters::DisplacementMap(SkColorChannel::kB, SkColorChannel::kA, |
| 16.0f, std::move(displ), nullptr)); |
| for (int i = 0; i < loops; i++) { |
| this->drawClippedBitmap(canvas, 100, 0, paint); |
| } |
| } |
| |
| private: |
| using INHERITED = DisplacementBaseBench; |
| }; |
| |
| class DisplacementFullBench : public DisplacementBaseBench { |
| public: |
| DisplacementFullBench(bool small) : INHERITED(small) { } |
| |
| protected: |
| const char* onGetName() override { |
| return isSmall() ? "displacement_full_small" : "displacement_full_large"; |
| } |
| |
| void onDraw(int loops, SkCanvas* canvas) override { |
| SkPaint paint; |
| sk_sp<SkImageFilter> displ(SkImageFilters::Image(fCheckerboard)); |
| // Displacement, with 2 non-alpha components |
| paint.setImageFilter(SkImageFilters::DisplacementMap(SkColorChannel::kR, SkColorChannel::kB, |
| 32.0f, std::move(displ), nullptr)); |
| for (int i = 0; i < loops; ++i) { |
| this->drawClippedBitmap(canvas, 200, 0, paint); |
| } |
| } |
| |
| private: |
| using INHERITED = DisplacementBaseBench; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| DEF_BENCH( return new DisplacementZeroBench(true); ) |
| DEF_BENCH( return new DisplacementAlphaBench(true); ) |
| DEF_BENCH( return new DisplacementFullBench(true); ) |
| DEF_BENCH( return new DisplacementZeroBench(false); ) |
| DEF_BENCH( return new DisplacementAlphaBench(false); ) |
| DEF_BENCH( return new DisplacementFullBench(false); ) |